Home / 2,740.57-4,110.86-1,258.81

Finding the Fourth Proportional to 2,740.57, 4,110.86 and 1,258.81

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Solution

The fourth proportional to 2,740.57, 4,110.86 and 1,258.81 is: 1,888.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.57 : 4,110.86 = 1,258.81 : x
  2. Step 2: Convert to fraction form
    2,740.57/4,110.86 = 1,258.81/x
  3. Step 3: Cross multiply
    2,740.57x = 4,110.86 × 1,258.81
  4. Step 4: Simplify right side
    2,740.57x = 5,174,807.67
  5. Step 5: Solve for x
    x = 5,174,807.67/2,740.57
  6. Step 6: Final answer
    x = 1,888.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.